People gather in Kyiv, capital of Ukraine, to commemorate the deaths of prisoners of war from the Azov regiment. They died after an explosion in a prison in the Russian army-controlled town of Olenivka, Donetsk Region. "I want to carry this memory through generations, so my children won't face the war, but will remember and respect the heroes we are able to gather today," says Oksana, a demonstrator at the gathering. Kyiv and Moscow have traded blame over the strike which reportedly killed dozens of Ukrainian prisoners. IMAGES AND SOUNDBITES